40222944 has 36 divisors (see below), whose sum is σ = 114384816. Its totient is φ = 13407552.

The previous prime is 40222939. The next prime is 40222951. The reversal of 40222944 is 44922204.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69544 + ... + 70119.

It is an arithmetic number, because the mean of its divisors is an integer number (3177356).

Almost surely, 2^40222944 is an apocalyptic number.

It is an amenable number.

40222944 is an abundant number, since it is smaller than the sum of its proper divisors (74161872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40222944 is a wasteful number, since it uses less digits than its factorization.

40222944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139679 (or 139668 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 40222944 is about 6342.1561002549. The cubic root of 40222944 is about 342.6293939854.

The spelling of 40222944 in words is "forty million, two hundred twenty-two thousand, nine hundred forty-four".